.container {
    width: 500px;
    height: 300px;
    text-align: center;
    border-radius: 10px;
    background-color: #DCDCDC;
    border: 1px solid black;
    position: relative;
    margin: auto;
    top: 200px;
}
.account {
    width: 250px;
    height: 50px;
    top: 100px;
    left: 120px;
    font-size: 40px;
    position: absolute;
}
.pwd {
    width: 250px;
    height: 50px;
    top: 140px;
    left: 120px;
    font-size: 40px;
    position: absolute;
}
input {
    top: 10px;
    width: 150px;
    height: 20px;
    right: 20px;
    position: absolute;
}
i {
    left: 20px;
    width: 40px;
    height: 40px;
    position: absolute;
}
.a1:active {
    background-color: #ADADAD;
}
.a1 {
    width: 200px;
    height: 30px;
    top: 210px;
    left: 150px;
    line-height: 30px;
    background-color: #696969;
    position: absolute;
}
.a2 {
    top: 240px;
    left: 215px;
    position: absolute;
}